[PATCH] Bug 883296: returning empty object instead of null when

From 1a04770db0f0e86440503e73bded294b696b876c Mon Sep 17 00:00:00 2001
 decoding zero length data in Octet.decodeMultiple.
---
 dom/mobilemessage/src/ril/WspPduHelper.jsm |   62 ++++++++++++++--------------
 1 file changed, 30 insertions(+), 32 deletions(-)

dom/mobilemessage/src/ril/WspPduHelper.jsm

@@ -239,7 +239,7 @@ this.Octet = {
       throw new RangeError();
     }
     if (end == data.offset) {
-      return null;
+      return [];
     }
 
     let result;
@@ -2291,7 +2291,6 @@ this.PduHelper = {
 
         let octetArray = Octet.decodeMultiple(data, contentEnd);
         let content = null;
-        if (octetArray) {
         let charset = headers["content-type"].params &&
                       headers["content-type"].params.charset
                     ? headers["content-type"].params.charset.charset
@@ -2325,7 +2324,6 @@ this.PduHelper = {
         if (!content) {
           content = new Blob([octetArray], {type : mimeType});
         }
-        }
 
         parts[i] = {
           index: i,